20179897842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258716639}}^1$

素因数の和:258716657

約数の個数: 16

約数和(自身を含む): 43464395520

約数和(自身を除く): 23284497678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258716639, 517433278, 776149917, 1552299834, 3363316307, 6726632614, 10089948921, 20179897842]

約数ペア:

[(1, 20179897842), (2, 10089948921), (3, 6726632614), (6, 3363316307), (13, 1552299834), (26, 776149917), (39, 517433278), (78, 258716639)]